Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644069 | Method of heating and processing an end of an optical fiber preform and apparatus for heating and processing an end of an optical fiber preform | Yukio Kohmura, Kiyoshi Arima, Yasuhiro Naka, Shinpei Todo | 2003-11-11 |
| 6542680 | Optical fiber preform | Yukio Koumura, Kazuto Hirabayashi | 2003-04-01 |